Portable digital image viewer



FIG. 1 is a frontal perspective view of a portable digital image viewer with icons shown in broken lines forming no part of the claimed design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevation view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a left-side elevation view thereof. 

The ornamental design for a portable digital image viewer, as shown and described. 